Yes, they are supposed to be used in bowls to avoid wasting food and making the eating process easier.
In China, utensils like chopsticks are used to eat foods that include rice. The bowl of rice is raised to the lips with one hand while the other holds the chopsticks. The rice is moved to the mouth using the chopsticks.
If you leave chopsticks standing upright in a bowl of rice, it is not well regarded, because this is something only done at funerals.
chopsticks are used to eat food
Chinese people usually eat most of their food with chopsticks. Spoons are also used, but typically only for soup. During a typical Chinese meal, all the dishes are put on the table and everyone helps themselves to what they want with the chopsticks they use to eat. (Serving utensils are not usually used.) Chinese people encourage guests to eat by using their own chopsticks to place food in the guest's bowl. Most food is eaten from a bowl, not a plate. It is not considered rude to lift the bowl closer to your mouth, nor is it considered rude to drink soup from a bowl. For more: joongkoogjip.com
There is no specific collective noun for chopsticks, in which case a general collective noun is used. Examples are a set of chopsticks, a box of chopsticks, a supply of chopsticks, etc.
"Chopsticks are a pair of small, thin sticks used for eating Asian cuisine."
It shows disgust and desrespect
Hibachi (火鉢) lit: "Fire Bowl" means "Brazier," its a bowl or box shaped container and is used to hold burning charcoal, due to their size they're commonly used as portable barbeques In order to handle the charcoal special metal chopsticks are used called Hibashi (火箸) lit: "Fire Chopsticks," Hibashi are the Japanese equivalents of fire irons and tongs.
People used chopsticks because they were easy and cheap to produce and buy.
Koreans are asians and most asians use chopsticks to eat their food.
Chinese food is generally made from smaller pieces of food. Chopstick use is a great way to pick out what you want to eat. Also, when eating rice, the bowl is held up to the mouth, and the chopsticks are used to shove a mouthful in at a time. For soup, though, the Chinese have traditionally used a ceramic spoon.
It is estimated that around 45 billion pairs of chopsticks are used in China each year, leading to concerns about deforestation and sustainability.